Burr Oak Tool Inc. | www.burroak.com | 405 W. South Street, Sturgis, MI 49091 USA | +1 (269) 651-9393 OAK MECHANICAL RETURN BENDER (MRB) is machine is specifically designed to produce return bends at high production speeds. is machine automatically feeds, bends, and cuts off return bends from the electric motor driven, with cam operated mechanisms. e Mechanical Return Bender has no hydraulics and requires only electrical and pneumatic connections. PRODUCTION Up to 18 cycles per minute Bends per Cycle: 5 mm: 4 – 6 b/c 6 mm – ¼”: 4 – 5 b/c 7 mm – ⅜”: 4 – 5 b/c 12 mm – ½”: 3 – 4 b/c ⅝”: 3 b/c ¾”: 2 b/c MATERIAL 5mm dia – ¾” dia Copper or Aluminum Straight lengths or coil tubing FOOTPRINT ≈ 6.08’ x 4.92’ x 5.91’ (4.9 m x 1.5 m x 1.8 m) ≈ 10,000 lbs (4,536 kg) AIR 10 ſt 3 /min at 80 psi (0.3 m 3 /min at 5.5 bar) POWER 9 kW @ .80/.82 PF 24 VDC Controls **Foundation information supplied upon request OAK RETURN ELBOW CROSSOVER BENDER (RECB) is machine is designed with versatility in mind. is hydraulic powered machine can produce return bends, crossover bends, elbow bends and short straight tubes with a simple, quick tooling change and setup. PRODUCTION Cycle Speeds: Crossover: 8 cyc/min Elbow: 10 cyc/min Return Bend: 11 cyc/min Straight: 22 cyc/min Bends per Cycle: ¼” – ⅜”: 3 b/c ½” – ¾”: 2 b/c ⅞” – 1¼”: 1 b/c MATERIAL ¼” dia – 1¼” dia Straight lengths or coil tubing Copper, Aluminum FOOTPRINT ≈ 12.14’ x 6.89’ x 6.89’ (3.7 m x 2.1 m x 2.1 m) ≈ 8,000 lbs (3,629 kg) AIR 6 ſt 3 /min at 80 psi (0.2 m 3 /min at 5.5 bar) POWER 12 kW @ .80/.82 PF 24 VDC Controls **Foundation information supplied upon request